![]() After about three repeats you'll see pure water coming out the hose fitting with no hint of coolant. (Make sure the engine comes up to operating temp.) Repeat the vacuum operation. Put the small hose back in place and run the engine a bit or take the car for a short drive. ![]() Just add it back through the reservoir until liquid dribbles out the open hose fitting. Once the coolant had been removed, then it's distilled water time. Sediment and contaminated coolant will be pulled out of the system. The result will be a turbulent backwash within the reservoir. Remove the small hose from the neck and plug it by holding your finger over it. Remove the cap, place the hose, and fire up the vacuum. I found that our shop vac hose is almost an exact fit for the reservoir. Release the clamp and prepare to pull the small hose. Just above that and on the hose neck is a small rubber hose that goes directly to the coolant reservoir. Facing the car and just to the right of the air intake is the main return hose to the radiator. I wanted to work totally from the top side of the car and not disturb any of the main plumbing. Based on some of the lessons learned while working on my SE and my distaste (literally) for coolant because it seems to migrate everywhere, I decided to experiment. ![]() After a new heater core on my '14 SE I decided I better check our '13 SEL. ![]()
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